Overview
The Extreme Networks 4120-48MW-4Y is a 48-port multi-gigabit 90W PoE switch.
Use Cases
- Enterprise campus and branch access
- Powered wireless access points and connected edge devices
Ports & Switching
- 48x100M/1G/2.5GBASE-T RJ45 ports
- IEEE 802.3bt PoE up to 90W per port
- 4x1/10/25GbE SFP28 uplink ports
- 2x100GbE QSFP28 uplink or stacking ports
- QSFP28 ports operate at 50Gbps for stacking
- Up to 8-switch stacking; 200Gbps per unit
- 4120 and 4220 cannot cross-stack
- 840Gbps aggregate switching bandwidth
- 625.0Mpps forwarding rate
- Gigabit out-of-band management interface
- RJ45 serial console interface
Hardware & Platform
- 1RU rack form factor
- 17.4 x 13.0 x 1.7 in (W x D x H; chassis)
- 12.4 lb manufacturer reference weight
Compatible Software (NOS)
- Switch Engine
Management & Licensing
- Extreme Platform ONE or ExtremeCloud IQ management
- ExtremeCloud IQ Site Engine and CLI management
- Base software included
- Extreme Platform ONE Security requires a separate licence
Cooling & Power
- Internal fixed 1200W AC PSU included
- 1x empty modular slot for an optional second PSU
- Fixed fans
- Internal-PSU PoE: 640W at 100-120VAC
- Internal-PSU PoE: 980W at 200-240VAC
Efficiency & Reliability
- Non-blocking wire-speed switching
- Per-port limits share the total available PoE budget
Ordering Information
- Use a supported second PSU; matching types are recommended
- Console cables and optical transceivers ordered separately
- Universal Limited Lifetime Warranty; manufacturer policy terms apply